Chance the Rapper, Arcade Fire and Lorde lead the Lollapalooza headliners coming to Grant Park Aug. 3 to 6. Also among the 170 bands scheduled for eight stages over four days are Cage the Elephant, Run the Jewels, the Shins and Spoon. Whether you're looking for up-and-comers, hip-hop, electronic, rock or pop, here is a guide to customize your Lolla picks to make your Grant Park itinerary.